.leaflet-grid-label .gridlabel-vert {
    margin-left: 8px;
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
}

.leaflet-grid-label .gridlabel-vert,
.leaflet-grid-label .gridlabel-horiz {
    padding-left:2px;
    text-shadow: -1px 0 #DDDDDD, 0 1px #DDDDDD, 1px 0 #DDDDDD, 0 -1px #DDDDDD;
}